Year	Percent
2008-01-01	7.2170600000000010
2009-01-01	7.4303970000000000
2010-01-01	6.5580240000000005
2011-01-01	5.7068980000000010
2012-01-01	6.5806510000000000
2013-01-01	9.2223040000000000
2014-01-01	10.8136300000000000